Human digestive system

1. Oral cavity

1.1. Food is mechanically ground with the help of teeth;

1.2. The taste and temperature of food are felt;

1.3. A food lump is formed using the tongue;

1.4. The salivary glands through the ducts secrete their secret - saliva;

2. Small intestine

2.1. The mucous membrane forms villi, which are suitable for blood and lymph capillaries

2.2. Through the villi, absorption occurs.

3. Intestines

3.1. It begins with the duodenum, into which the ducts of the pancreas and gall bladder open.

4. Digestive system - a set of digestive organs in animals and humans. The digestive system provides the body with the necessary energy and building material for the restoration and renewal of cells and tissues that are constantly destroyed in the process of life.

5. Stomach

5.1. Gastric juice is produced;

5.2. The main function of the stomach is the digestion of food.

6. Colon

6.1. It produces mucus, contains bacteria that break down fiber;

6.2. The final section — the rectum — ends with the anus through which undigested food debris is removed.

7. Pharynx

7.1. Participates in the ingestion of food, this happens reflexively.

8. Digestive Glands: Liver and Pancreas

8.1. The liver produces bile, which enters the intestines during digestion;

8.2. The pancreas secretes enzymes that break down proteins, fats, carbohydrates and produces the hormone insulin.

9. Esophagus

9.1. It transports food into the cavity of the stomach.